Even a mistake may turn out to be the one thing necessary to a worthwhile achievement.

Irrespective of whether you suspect you are able to do a factor or not, that you are right

What we call evil, it seems to me, is simply ignorance bumping its head in the dark.

To be good is not enough; a man must be good for something

The question who ought to be boss is like who ought to be the tenor in the quartet? Obviously, the man who can sing tunor.

Gold is the most useless thing in the world. I am not interested in money but in the things of which money is merely a symbol.

Whatever you have, you must either use or lose.